A rapid determination of nuclear quadrupole resonance frequencies using field-cycling magnetic resonance and frequency modulated RF excitations

[Display omitted] •A modified Slusher-Hahn’s double resonance technique is described.•Phase modulation is replaced by frequency sweeps of rf magnetic field.•Frequency step in search of NQR frequencies is increased by two orders of magnitude.•Solid effect transitions in nonzero magnetic field are als...

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Bibliographic Details
Published in:Journal of magnetic resonance (1997) 2020-01, Vol.310, p.106635-106635, Article 106635
Main Authors: Apih, T., Gregorovič, A., Žagar, V., Seliger, J.
Format: Article
Language:English
Subjects:
Detection time optimization
Double resonance
Frequency sweeps
Nuclear quadrupole resonance
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Summary:[Display omitted] •A modified Slusher-Hahn’s double resonance technique is described.•Phase modulation is replaced by frequency sweeps of rf magnetic field.•Frequency step in search of NQR frequencies is increased by two orders of magnitude.•Solid effect transitions in nonzero magnetic field are also observed. A modification of Slusher-Hahn’s double resonance technique is described and experimentally tested. It is based on application of multiple frequency sweeps and can be used for a rapid location of nuclear quadrupole resonance (NQR) frequencies. The resolution of the present technique is relatively low but, when the NQR frequencies are located, it is easy to use either the Slusher-Hahn’s technique or pulse NQR to determine the NQR frequencies with a higher precision.
ISSN:1090-7807
1096-0856
DOI:10.1016/j.jmr.2019.106635